UPSTREAM: wifi: cfg80211: Support 32 bytes KCK key in GTK rekey offload

Currently, maximum KCK key length supported for GTK rekey offload is 24
bytes but with some newer AKMs the KCK key length can be 32 bytes. e.g.,
00-0F-AC:24 AKM suite with SAE finite cyclic group 21.

Add support to allow 32 bytes KCK keys in GTK rekey offload.

Link: https://lore.kernel.org/r/20221206143715.1802987-3-quic_vjakkam@quicinc.com


Signed-off-by: Shivani Baranwal <quic_shivbara@quicinc.com>
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>


Bug: 267404496
Change-Id: I49cede61dc0ddc7d8d063caf986c81aa89437617
(cherry picked from commit 648fba79)
Signed-off-by: Shivani Baranwal <quic_shivbara@quicinc.com>
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>